VisDrone-CC2020: The Vision Meets Drone Crowd Counting Challenge Results - Du, Dawei; Wen, Longyin; Zhu, Pengfei; Fan, Heng; Hu, Qinghua; Ling, Haibin; Shah, Mubarak; Pan, Junwen; Al-Ali, Ali; Mohamed, Amr; Imene, Bakour; Dong, Bin; et al. (Computer Vision – ECCV 2020 Workshops : Glasgow, UK, August 23–28, 2020, Proceedings, Part IV, 2020)